Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud tops of the gas giant Jupiter as the Galilean moons Io and Europa pass ...

If you do check out Jupiter with a small telescope on Sunday night, you'll see all four Galilean moons, with Ganymede and Io ...

Jupiter's moon Io stands alone among the solar system's moons. It has more than 400 active volcanoes, and its surface is home ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

NASA’s James Webb Space Telescope (JWST) has captured an extraordinary and unprecedented sight: a moon-forming disk surrounding a young, giant exoplanet located roughly 625 light years ...

Tonight, skywatchers are in for a rare and spectacular treat as the Moon and Jupiter align in the night sky. Whether you’re ...

The article outlines a series of observational opportunities for planets, including Jupiter's Galilean moon shadow transits, close approaches of the Moon with Venus, Mercury, and Mars in the predawn ...

Looking for a sky event this week? Check out our full Sky This Week column. October 17: Catch open cluster M34 Jupiter stands high in the sky early this morning, ripe for viewing as two of its four ...

On the early hours of November 5, Jupiter's moons Io and Europa will cast their shadows over the planet's cloud surface, visible through a telescope.

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...

The moon's heavily cratered surface serves as a testament to how Earth's closest celestial neighbor has become a figurative magnet for space rocks during its 4.5 billion-year history. One of the best ...

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